IPv4 R&E Routing Table Report 23:05 GMT Fri 08 Dec, 2023 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 928199 Prefixes after maximum aggregation (per Origin AS): 355447 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455520 Number of IPv4 prefixes with a valid ROA: 431773 Number of IPv4 prefixes with an invalid ROA: 761 Number of IPv4 prefixes with no ROA: 495665 Total ASes present in the Internet Routing Table: 74901 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64439 Origin ASes announcing only one prefix: 26525 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 990 Number of instances of unregistered ASNs: 992 Number of 32-bit ASNs allocated by the RIRs: 43200 Number of 32-bit ASNs visible in the Routing Table: 35414 Prefixes from 32-bit ASNs in the Routing Table: 177316 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3047547392 Equivalent to 181 /8s, 165 /16s and 226 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 309001 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243749 Total APNIC prefixes after maximum aggregation: 71194 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236930 Unique aggregates announced from the APNIC address blocks: 99288 APNIC Region origin ASes present in the Internet Routing Table: 13714 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4123 APNIC Region transit ASes present in the Internet Routing Table: 1844 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9103 Number of APNIC addresses announced to Internet: 770807552 Equivalent to 45 /8s, 241 /16s and 151 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 272301 Total ARIN prefixes after maximum aggregation: 124235 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276946 Unique aggregates announced from the ARIN address blocks: 132884 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1859 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1275872000 Equivalent to 76 /8s, 12 /16s and 67 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 261196 Total RIPE prefixes after maximum aggregation: 124761 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255763 Unique aggregates announced from the RIPE address blocks: 160650 RIPE Region origin ASes present in the Internet Routing Table: 28477 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12120 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11460 Number of RIPE addresses announced to Internet: 714615040 Equivalent to 42 /8s, 152 /16s and 41 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 119571 Total LACNIC prefixes after maximum aggregation: 28573 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118303 Unique aggregates announced from the LACNIC address blocks: 49468 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2361 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8893 Number of LACNIC addresses announced to Internet: 178296832 Equivalent to 10 /8s, 160 /16s and 152 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 30392 Total AfriNIC prefixes after maximum aggregation: 6017 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39748 Unique aggregates announced from the AfriNIC address blocks: 12815 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107596032 Equivalent to 6 /8s, 105 /16s and 201 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4423 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3639 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3262 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3250 494 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2640 853 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9458 11189 3326 AMAZON-02, US 11492 4561 303 681 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3560 1320 68 SHAW, CA 22773 3493 3034 288 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3176 1413 2320 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2985 3841 1414 DNIC-ASBLK-00306-00371, US 396982 2724 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2580 23628 1598 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7553 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 3998 3397 140 AKAMAI-ASN1, NL 9009 3486 300 1632 M247, RO 8551 2942 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2884 2301 908 ROSTELECOM-AS, RU 34984 2326 360 590 TELLCOM-AS, TR 58224 1610 895 586 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12144 3379 601 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1099 175 434 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1591 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 36914 520 82 3 KENET-AS, KE 37342 491 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12144 3379 601 UNINET, MX 9808 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9458 11189 3326 AMAZON-02, US 12479 7553 1714 146 UNI2-AS, ES 7545 5675 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4561 303 681 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4423 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 96 VIASAT-SP-BACKBONE, US 20940 3998 3397 140 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9741 9700 CHINAMOBILE-CN China Mobile Communications Grou 12479 7553 7407 UNI2-AS, ES 16509 9458 6132 AMAZON-02, US 7545 5675 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4423 4398 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4070 VIASAT-SP-BACKBONE, US 11492 4561 3880 CABLEONE, US 20940 3998 3858 AKAMAI-ASN1, NL 7552 3639 3619 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:37 /11:99 /12:298 /13:578 /14:1190 /15:2058 /16:13412 /17:8190 /18:13684 /19:24776 /20:43127 /21:51130 /22:109982 /23:99124 /24:560476 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6642 7553 UNI2-AS, ES 8151 6148 12144 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3560 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 22773 2558 3493 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2419 2942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2126 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2242 2:1400 3:280 4:5 5:4387 6:160 7:6 8:1495 9:1 11:172 12:1488 13:374 14:2320 15:304 16:206 17:360 18:707 20:328 21:4 22:188 23:6522 24:2590 25:2 27:2571 29:19 31:2541 32:53 34:34 35:116 36:2045 37:4457 38:5709 39:881 40:149 41:4097 42:2135 43:2300 44:327 45:16624 46:4369 47:286 49:1886 50:1878 51:571 52:1598 54:395 55:803 56:5 57:125 58:1846 59:1103 60:1007 61:2466 62:2722 63:1905 64:5463 65:2350 66:4984 67:3047 68:1351 69:4075 70:1174 71:606 72:2927 74:2627 75:1561 76:624 77:2273 78:1823 79:2995 80:2122 81:1857 82:1516 83:1321 84:1601 85:2960 86:783 87:1966 88:1233 89:3920 90:640 91:7879 92:2175 93:2633 94:3570 95:3991 96:1298 97:316 98:1016 99:738 100:94 101:1383 102:2995 103:32314 104:4787 105:593 106:975 107:2745 108:1136 109:3751 110:2131 111:3142 112:2073 113:1692 114:1744 115:1999 116:1930 117:2553 118:2746 119:1945 120:1755 121:1227 122:2623 123:2170 124:1582 125:2746 128:1426 129:898 130:1054 131:1984 132:823 133:410 134:1718 135:295 136:913 137:986 138:2709 139:1556 140:1339 141:1346 142:1535 143:1526 144:1006 145:342 146:1985 147:1633 148:2473 149:2371 150:1009 151:1287 152:1823 153:526 154:5310 155:1376 156:2111 157:1367 158:1084 159:2197 160:2617 161:1617 162:3556 163:1635 164:1621 165:1865 166:1098 167:1764 168:3831 169:795 170:4677 171:970 172:3759 173:2995 174:900 175:1213 176:3590 177:4579 178:3528 179:2220 180:2313 181:3599 182:3402 183:2022 184:2250 185:20445 186:4746 187:4268 188:3992 189:3968 190:9320 191:1489 192:10976 193:8959 194:7290 195:5209 196:3138 197:2645 198:5922 199:6654 200:8005 201:6239 202:10206 203:10015 204:4577 205:3650 206:4381 207:3394 208:4073 209:4890 210:4251 211:2465 212:4213 213:3387 214:1117 215:63 216:6734 217:2748 218:1288 219:413 220:1797 221:1012 222:698 223:2195 End of report